/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.libraries.formula;
import java.util.Locale;
import junit.framework.TestCase;
import org.junit.Assert;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import org.pentaho.reporting.libraries.formula.common.TestFormulaContext;
import org.pentaho.reporting.libraries.formula.function.FunctionDescription;
public abstract class FormulaTestBase extends TestCase
{
private FormulaContext context;
protected FormulaTestBase()
{
}
protected FormulaTestBase(final String s)
{
super(s);
}
protected void setUp() throws Exception
{
context = new TestFormulaContext(TestFormulaContext.testCaseDataset);
LibFormulaBoot.getInstance().start();
}
protected abstract Object[][] createDataTest();
public FormulaContext getContext()
{
return context;
}
protected void runDefaultTest() throws Exception
{
final Object[][] dataTest = createDataTest();
runTest(dataTest);
}
protected void runTest(final Object[][] dataTest) throws Exception
{
for (int i = 0; i < dataTest.length; i++)
{
final Object[] objects = dataTest[i];
performTest((String) objects[0], objects[1]);
}
}
protected void performTest(final String formula, final Object result) throws Exception
{
performTest(formula, result, getContext());
}
@SuppressWarnings("unchecked")
protected void performTest(final String formulaText,
final Object expected,
final FormulaContext context) throws Exception
{
final Formula formula = new Formula(formulaText);
formula.initialize(context);
final Object formulaResult = formula.evaluateTyped().getValue();
if (expected instanceof Comparable && formulaResult instanceof Comparable)
{
final Comparable<Object> resultComparable = (Comparable<Object>) formulaResult;
final Comparable<Object> expectedComparable = (Comparable<Object>) expected;
try
{
int compareResult = resultComparable.compareTo(expectedComparable);
assertTrue(String.format("For formula [%s]\n - Expected \"%s\"\n but found \"%s\"",
formulaText, expected, formulaResult), compareResult == 0);
}
catch (final ClassCastException cce)
{
Assert.assertEquals(expectedComparable, resultComparable);
}
}
else if (expected instanceof Object[] && formulaResult instanceof Object[])
{
Object[] expectedArray = (Object[]) expected;
Object[] resultArray = (Object[]) formulaResult;
Assert.assertArrayEquals(expectedArray, resultArray);
}
else
{
assertEquals("Failure on " + formula, expected, formulaResult);
}
}
protected void performTranslationTest(String function)
{
FunctionDescription functionDesc = context.getFunctionRegistry().getMetaData(function);
assertFalse(StringUtils.isEmpty(functionDesc.getDisplayName(Locale.ENGLISH)));
assertFalse(StringUtils.isEmpty(functionDesc.getDescription(Locale.ENGLISH)));
int count = functionDesc.getParameterCount();
for (int x = 0; x < count; x++)
{
assertFalse(StringUtils.isEmpty(functionDesc.getParameterDescription(x, Locale.ENGLISH)));
assertFalse(StringUtils.isEmpty(functionDesc.getParameterDisplayName(x, Locale.ENGLISH)));
}
}
}